/*
 * Copyright ConsenSys AG.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
package org.hyperledger.besu.ethereum.core.json;

import org.hyperledger.besu.ethereum.core.AccessListEntry;

import java.io.IOException;
import java.util.List;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import org.apache.tuweni.bytes.Bytes32;

public class AccessListEntrySerializer extends StdSerializer<AccessListEntry> {

  AccessListEntrySerializer() {
    this(null);
  }

  protected AccessListEntrySerializer(final Class<AccessListEntry> t) {
    super(t);
  }

  @Override
  public void serialize(
      final AccessListEntry accessListEntry,
      final JsonGenerator gen,
      final SerializerProvider provider)
      throws IOException {
    gen.writeStartObject();
    gen.writeFieldName("address");
    gen.writeString(accessListEntry.getAddress().toHexString());
    gen.writeFieldName("storageKeys");
    final List<Bytes32> storageKeys = accessListEntry.getStorageKeys();
    gen.writeArray(
        storageKeys.stream().map(Bytes32::toHexString).toArray(String[]::new),
        0,
        storageKeys.size());
    gen.writeEndObject();
  }
}
